how to get next relative dropdown using jquery

Question

i have this code

<div id="aggregate" style="display:inline">
                    <%=Html.RadioButton("a", "1", true, new {id = "meRadio"})%><label>Me</label>
                    <%=Html.RadioButton("a", "2", false, new { id = "teamRadio" })%><label>Team: </label><% = Html.DropDownList("Teams", Model.Teams,  new {@scope="Team",  @id = "teamDropdown", @class = "filterDropdown" })%>
                    <%=Html.RadioButton("a", "4", false, new { id = "managerRadio" })%><label>Manager: </label><% = Html.DropDownList("Managers", Model.People, new { @scope = "Manager", @id = "managerDropdown", @class = "filterDropdown" })%>
                    <%=Html.RadioButton("a", "5", false, new { id = "locationRadio" })%><label>Location: </label><% = Html.DropDownList("Locations", Model.Locations, new { @scope = "Location", @id = "locationDropdown", @class = "filterDropdown" })%>
  </div>

i currently have code like this:

 $('#workstreamRadio').click(function () {
     Enable("#workstreamDropdown");
 });

 $('#teamRadio').click(function () {
     Enable("#teamDropdown");
 });

I am sure there is a way using jquery to dynamically get the respective dropdown selector given a specific radio button clicked so i dont have to hard code each mapping.

what is the syntax for saying "get me the selector of the dropdown to the right of the radio button i clicked"

Answer 1

You can do it using .nextAll() and :first like this:

$("#aggregate :radio").change(function() {
  var dropdown = $(this).nextAll("select:first");
  //enable or disable dropdown
});

since they're siblings, use .nextAll() which goes through all siblings, and you want the first <select> element, so select that from the siblings after the radio clicked. Also look at using .change() here instead of .click(), it'll fire only when the selection changes, which is usually what you want here.